You are here: Home > Departments > Health & Human Services > Public Health > Environmental Health > Public Health Hazards > Insect Control The Department of Health keeps you informed about exposures that can potentially harm you and your family. Please refer to the list on the left for more information. Tick populations are growing in Chautauqua County and that the risk for Lyme Disease is real. Preventing tick bites, checking for ticks, and proper removal are key. Learn more here.